[release-1.21] Added filtering for incorrect slo boosting logs

[k8s-infra-cherrypick-robot]

This is an automated cherry-pick of #2118

/assign cemakd

NONE

[cemakd]

/test pull-gcp-compute-persistent-disk-csi-driver-verify

[k8s-ci-robot]

@k8s-infra-cherrypick-robot: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-gcp-compute-persistent-disk-csi-driver-e2e-arm	7ed2e9e	link	false	/test pull-gcp-compute-persistent-disk-csi-driver-e2e-arm

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[cemakd]

/retest-required

[sunnylovestiramisu]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: k8s-infra-cherrypick-robot, sunnylovestiramisu

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[sunnylovestiramisu]

/lgtm